Add 9.216 MHz clock option

MCUdude · May 23, 2024 · 51f4808 · 51f4808
1 parent 47af83c
commit 51f4808
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diff --git a/PlatformIO.md b/PlatformIO.md
@@ -160,6 +160,7 @@ Below is a table with supported clocks. Defaults to 16 MHz if not specified.
 | 14.7456 MHz | External   | `14745600L`               |
 | 12 MHz      | External   | `12000000L`               |
 | 11.0592 MHz | External   | `11059200L`               |
+| 9.216 MHz   | External   | `9216000L`                |
 | 8 MHz       | External   | `8000000L`                |
 | 7.3728  MHz | External   | `7372800L`                |
 | 6 MHz       | External   | `6000000L`                |
@@ -265,6 +266,7 @@ Suggested baud rates for a particular clock speed are in **bold text**.
 | `14745600L` |         |        |  X     |        |  X     |  **X** |  X     |  X     |  X    |  X     |
 | `12000000L` |         |  X     |        |  X     |        |        |  **X** |        |  X    |  X     |
 | `11059200L` |         |        |  X     |        |  X     |  X     |  **X** |  X     |  X    |  X     |
+| `9216000L`  |         |        |        |        |  X     |  **X** |  X     |  X     |  X    |  X     |
 | `8000000L`  |  X      |  X     |        |  X     |        |  X     |  X     |  **X** |  X    |  X     |
 | `7372800L`  |         |        |  X     |        |  X     |  **X** |  X     |  X     |  X    |  X     |
 | `6000000L`  |         |        |        |  X     |        |        |  **X** |  X     |  X    |  X     |

diff --git a/README.md b/README.md
@@ -79,6 +79,7 @@ Make sure you connect an ISP programmer, and select the correct one in the "Prog
 | 14.7456 MHz | External crystal/oscillator | 115200                                                | Great clock for UART communication with no error  |
 | 12 MHz      | External crystal/oscillator | 57600                                                 |                                                   |
 | 11.0592 MHz | External crystal/oscillator | 115200                                                | Great clock for UART communication with no error  |
+| 9.216 MHz   | External crystal/oscillator | 115200                                                | Great clock for UART communication with no error  |
 | 8 MHz       | External crystal/oscillator | 57600                                                 | Common clock when working with 3.3V               |
 | 7.3728 MHz  | External crystal/oscillator | 115200                                                | Great clock for UART communication with no error  |
 | 6 MHz       | External crystal/oscillator | 57600                                                 |                                                   |

diff --git a/avr/boards.txt b/avr/boards.txt
@@ -163,6 +163,12 @@ menu.baudrate=Baud rate
 1284.menu.clock.11_0592MHz_external.build.clkpr=
 1284.menu.clock.11_0592MHz_external.build.f_cpu=11059200L
 
+1284.menu.clock.9_216MHz_external=External 9.216 MHz
+1284.menu.clock.9_216MHz_external.upload.default_speed=115200
+1284.menu.clock.9_216MHz_external.bootloader.low_fuses=0xf7
+1284.menu.clock.9_216MHz_external.build.clkpr=
+1284.menu.clock.9_216MHz_external.build.f_cpu=9216000L
+
 1284.menu.clock.8MHz_external=External 8 MHz
 1284.menu.clock.8MHz_external.upload.default_speed=57600
 1284.menu.clock.8MHz_external.bootloader.low_fuses=0xf7
@@ -383,6 +389,12 @@ menu.baudrate=Baud rate
 644.menu.clock.11_0592MHz_external.build.clkpr=
 644.menu.clock.11_0592MHz_external.build.f_cpu=11059200L
 
+644.menu.clock.9_216MHz_external=External 9.216 MHz
+644.menu.clock.9_216MHz_external.upload.default_speed=115200
+644.menu.clock.9_216MHz_external.bootloader.low_fuses=0xf7
+644.menu.clock.9_216MHz_external.build.clkpr=
+644.menu.clock.9_216MHz_external.build.f_cpu=9216000L
+
 644.menu.clock.8MHz_external=External 8 MHz
 644.menu.clock.8MHz_external.upload.default_speed=57600
 644.menu.clock.8MHz_external.bootloader.low_fuses=0xf7
@@ -622,6 +634,12 @@ menu.baudrate=Baud rate
 324.menu.clock.11_0592MHz_external.build.clkpr=
 324.menu.clock.11_0592MHz_external.build.f_cpu=11059200L
 
+324.menu.clock.9_216MHz_external=External 9.216 MHz
+324.menu.clock.9_216MHz_external.upload.default_speed=115200
+324.menu.clock.9_216MHz_external.bootloader.low_fuses=0xf7
+324.menu.clock.9_216MHz_external.build.clkpr=
+324.menu.clock.9_216MHz_external.build.f_cpu=9216000L
+
 324.menu.clock.8MHz_external=External 8 MHz
 324.menu.clock.8MHz_external.upload.default_speed=57600
 324.menu.clock.8MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
@@ -842,6 +860,12 @@ menu.baudrate=Baud rate
 164.menu.clock.11_0592MHz_external.build.clkpr=
 164.menu.clock.11_0592MHz_external.build.f_cpu=11059200L
 
+164.menu.clock.9_216MHz_external=External 9.216 MHz
+164.menu.clock.9_216MHz_external.upload.default_speed=115200
+164.menu.clock.9_216MHz_external.bootloader.low_fuses=0xf7
+164.menu.clock.9_216MHz_external.build.clkpr=
+164.menu.clock.9_216MHz_external.build.f_cpu=9216000L
+
 164.menu.clock.8MHz_external=External 8 MHz
 164.menu.clock.8MHz_external.upload.default_speed=57600
 164.menu.clock.8MHz_external.bootloader.low_fuses=0xf7
@@ -1049,6 +1073,12 @@ menu.baudrate=Baud rate
 32.menu.clock.11_0592MHz_external.bootloader.ckopt_bit=0
 32.menu.clock.11_0592MHz_external.build.f_cpu=11059200L
 
+32.menu.clock.9_216MHz_external=External 9.216 MHz
+32.menu.clock.9_216MHz_external.upload.default_speed=115200
+32.menu.clock.9_216MHz_external.bootloader.sut_cksel_bits=111111
+32.menu.clock.9_216MHz_external.bootloader.ckopt_bit=0
+32.menu.clock.9_216MHz_external.build.f_cpu=9216000L
+
 32.menu.clock.8MHz_external=External 8 MHz
 32.menu.clock.8MHz_external.upload.default_speed=57600
 32.menu.clock.8MHz_external.bootloader.sut_cksel_bits=111111
@@ -1256,6 +1286,12 @@ menu.baudrate=Baud rate
 16.menu.clock.11_0592MHz_external.bootloader.ckopt_bit=0
 16.menu.clock.11_0592MHz_external.build.f_cpu=11059200L
 
+16.menu.clock.9_216MHz_external=External 9.216 MHz
+16.menu.clock.9_216MHz_external.upload.default_speed=115200
+16.menu.clock.9_216MHz_external.bootloader.sut_cksel_bits=111111
+16.menu.clock.9_216MHz_external.bootloader.ckopt_bit=0
+16.menu.clock.9_216MHz_external.build.f_cpu=9216000L
+
 16.menu.clock.8MHz_external=External 8 MHz
 16.menu.clock.8MHz_external.upload.default_speed=57600
 16.menu.clock.8MHz_external.bootloader.sut_cksel_bits=111111
@@ -1463,6 +1499,12 @@ menu.baudrate=Baud rate
 8535.menu.clock.11_0592MHz_external.bootloader.ckopt_bit=0
 8535.menu.clock.11_0592MHz_external.build.f_cpu=11059200L
 
+8535.menu.clock.9_216MHz_external=External 9.216 MHz
+8535.menu.clock.9_216MHz_external.upload.default_speed=115200
+8535.menu.clock.9_216MHz_external.bootloader.sut_cksel_bits=111111
+8535.menu.clock.9_216MHz_external.bootloader.ckopt_bit=0
+8535.menu.clock.9_216MHz_external.build.f_cpu=9216000L
+
 8535.menu.clock.8MHz_external=External 8 MHz
 8535.menu.clock.8MHz_external.upload.default_speed=57600
 8535.menu.clock.8MHz_external.bootloader.sut_cksel_bits=111111